You get coffee with more caffeine in it. That is all.
Coffee.
Solvent
If you are referring to instant coffee granules or ground coffee beans, then yes, it does dissolve in warm water.
Yes, coffee can dissolve. How else would youu make coffee with a coffee pot? Usually coffee takes a while to dissolve in cold water but it will not take long to dissolve in hot water. Made by Olivia Doherty
If they're coffee bean granules, then no. Only granules of instant coffee will dissolve in water.
Coffee will not dissolve your intestines. The acids produced by your digestive system are hundreds of times stronger than the acid found in coffee.
no doz is caffiene.
Sugar. Coffee will not disolve in water (though there are some soluble components in coffee that will dissolve out of it - which is why we use it).
Some parts of coffee dissolve in water, others don't. You can filter out the grounds after you make coffee, but you still have a solution, not just water. You can see it's coloured and can taste it's not just water. If you look on the ingredients on a jar of instant coffee, it often says 'soluble solids of pure coffee'.
No doz is caffeine
Instant, freeze dried coffee will dissolve in water, the hotter the water, the faster the coffee dissolves. Regular coffee made from coffee beans, will not dissolve in water, instead hot water will get the flavor (oils and alkaloids aka caffeine) and aroma(oils) from coffee, and disperse it in the water; leaving the coffee grounds behind to be disposed.
Instant coffee granules dissolve faster in hot water than in cold water.